package com.artwork.service;

import com.artwork.model.Sign;

/**
 * @Author JoJo
 * @Data 2021/9/9$ 9:35$
 * @Description
 * @Param $
 * @Return $
 */
public interface SignService {
    int addSign(int userId);

    Sign getUserSign(int userId);

    int updateSign(Sign sign);
}
